MobileRead Forums - View Single Post - "invalid PID checksum" when using mobidedrm, even though it IS valid.

mindwarp · 07-06-2009, 08:04 PM

I've been having this same problem. I can't for the life of me figure out what I'm doing wrong. But I continue to get Invalid PID Checksum.
I have a Macbook and a Ipod Touch and am using Iphone Backup extractor to get my Kindle files.
I got my UDID from Itunes and then used kindlepid.py to get my Mobipocket PID
I have python and wxpython installed and working. I've used mobidedrm 01, 02 and 05 and nothing seems to work.
I've tried all the suggestions of quoting my PID, making sure its capitalized, renaming the .prc ebook and so on.

This is what continues to come up:
macbook:ebook home$ python mobidedrm005.py ebook.prc output.prc 'PID'
MobiDeDrm v0.05. Copyright (c) 2008 The Dark Reverser
Error: invalid PID checksum

Any ideas on how I can go about figuring this out? Is it possible my PID is wrong?

Thanks so much!

07-06-2009, 08:04 PM	#75
mindwarp Zealot Posts: 139 Karma: 3414358 Join Date: Dec 2008 Device: Kindle Fire	I've been having this same problem. I can't for the life of me figure out what I'm doing wrong. But I continue to get Invalid PID Checksum. I have a Macbook and a Ipod Touch and am using Iphone Backup extractor to get my Kindle files. I got my UDID from Itunes and then used kindlepid.py to get my Mobipocket PID I have python and wxpython installed and working. I've used mobidedrm 01, 02 and 05 and nothing seems to work. I've tried all the suggestions of quoting my PID, making sure its capitalized, renaming the .prc ebook and so on. This is what continues to come up: macbook:ebook home$ python mobidedrm005.py ebook.prc output.prc 'PID' MobiDeDrm v0.05. Copyright (c) 2008 The Dark Reverser Error: invalid PID checksum Any ideas on how I can go about figuring this out? Is it possible my PID is wrong? Thanks so much!